NO! Once you let that cat out of the bag, there's no putting it back in. You never know *for sure* how a person's sense of family loyalty is going to manifest itself; bring too many people in and the whole thing *could* blow right up in your face before the day you planned.
Time enough to call the brother and tell him some support may be in order *after* the fact.
"Show me a completely smooth operation and I'll show you someone who's covering mistakes. Real boats rock." -- Frank Herbert
